JPH09328029A - Vehicle seat - Google Patents

Abstract

(57) Abstract: [PROBLEMS] To provide a vehicle seat in which a baby seat cushion having a seat height corresponding to a baby's body shape can be obtained by a simple operation using a part of the seat cushion. A seat cushion includes a cushion main body (1) having a recessed portion (2) for fitting a movable cushion body in a front half portion,
It is composed of a movable cushion body 3 which can be freely inserted into and removed from the recessed portion 2.
The movable cushion body 3 that is normally fitted in the recessed portion 2 is moved to the rear of the recessed portion 2 on the seat cushion body 1 to obtain a two-stage seating surface having different heights. An independent bottom frame 5 at the bottom of the cushion body 3
The movable cushion body 3 which is embedded in the recessed portion 2 at its rear end is connected to the bottom front end of the seat cushion body 1, and the movable cushion body 3 moved onto the seat cushion body 1 is seated in the seat cushion body. Provided is a hook 6 for engagement, which is connected to the rear part of 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat in which a seat cushion having a seat height corresponding to a baby's body shape can be obtained by a simple operation only when necessary using a part of the seat cushion. It is about.

[0002]

2. Description of the Related Art Conventionally, in order to safely seat an infant on a vehicle seat, it is common to mount a special child seat on the seat, and the infant is seated on the seat, but the operation of attaching and detaching the child seat is troublesome. Along with this, there is a problem that people other than infants cannot sit after the installation, which is an obstacle.

Therefore, as a vehicle seat in which a seat cushion for an infant having a seat height corresponding to the infant's body shape can be obtained by a simple operation, for example, the actual seat 59-89055.
As disclosed in Japanese Unexamined Patent Publication (Kokai), a seat cushion is composed of a cushion body in which the first half of an intermediate portion is formed in a concave cutout portion for fitting a movable cushion body, and a movable cushion body that can be inserted into and removed from the concave cutout portion. A vehicle seat has been proposed in which two-stage seating surfaces having different heights can be obtained by moving the cushion body from the recessed portion to the rear of the recessed portion on the seat cushion body. In this case, since the mechanism is a mechanism for rotating the movable seat by a link, it is a complicated mechanism and there is a problem that the assembling property is poor.
Further, there is a problem that the shoe hits the exposed surface of the concave portion of the seat cushion body and stains the cushion with mud or the like when the infant is seated.

[0004]

The problem to be solved by the present invention is, of course, that the conventional problems described above can be solved and a comfortable riding comfort can be ensured during normal use. When necessary, you can instantly switch from a normal seat to a seat cushion for infants with a seat height suitable for infants, and the seat of the infant's shoes does not stain the seat, and the structure Is to provide a vehicle seat that is simple and can be produced at low cost.

[0005]

The vehicle seat of the present invention, which has been made to solve the above-mentioned problems, comprises a seat cushion, and a cushion main body having a recessed portion for fitting a movable cushion body in a front half thereof. A movable cushion body that is formed by a movable cushion body that can be inserted into and removed from the recessed portion and that is normally fitted to the recessed portion to form a normal seat surface. In a vehicle seat in which two stages of seating surfaces having different heights can be obtained by moving the bottom portion of the movable cushion body, an independent bottom frame is embedded, and the rear end of the bottom frame is Is connected to the front end of the bottom of the seat cushion body, and the movable cushion body, which is normally in the recess, is connected to the seat cushion body when the movable cushion body is moved to the seat cushion body. In which it characterized in that a locking hook for connecting the body to the rear portion of the seat cushion main body. In such a vehicle seat, the movable cushion body is usually disposed below the bottom surface of the movable cushion body between the bottom front end of the seat cushion body and the bottom front end of the movable cushion body. The invention according to claim 2, wherein a cover sheet that covers the exposed front surface of the recessed portion is stretched when moved upward, and the seat cushion main body and the movable cushion body are always connected by this cover sheet. In these inventions, a support member whose front edge is located above the middle portion of the cover sheet is provided at the bottom of the seat cushion body so that the cover sheet supports when the movable cushion body is moved onto the seat cushion body. The front edge of the member bends at an acute angle from the middle portion to form an inclined support surface from the bottom front end of the movable cushion body toward the front edge of the support member. And the invention according to that so as to formed to claim 3.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention will be described in detail below as an example when applied to a vehicle seat back shown in the drawings. The recessed portion 2 is formed by cutting out the center of the front half of the seat cushion body 1, and the movable cushion body 3 can be freely inserted into and removed from the recessed portion 2. A seat surface similar to that of a normal seat cushion is formed together with the seat cushion main body 1, but when necessary, the seat cushion main body 1 is removed from the recessed portion 2 and moved to the rear of the recessed portion 2 on the seat cushion main body 1 for infants. A seat surface having a height suitable for the seat cushion is formed, and two-step seat surfaces having different heights can be easily obtained.

At the bottom of the seat cushion body 1, a body bottom frame 4 made of a pipe material similar to an ordinary seat is used.
Is embedded, and an independent bottom frame 5 made of a pipe material is also embedded in the bottom portion of the movable cushion body 3 separately from the main body bottom frame 4, and is locked at the rear end of the bottom frame 5. The hook 6 is attached. The locking hook 6 connects the movable cushion body 3 which is normally in the recessed portion 2 to the bottom front end of the seat cushion body 1 so as to ensure an accurate connection between the movable cushion body 3 and the seat cushion body 1. On the other hand, when the movable cushion body 3 is moved to the rear of the recessed portion 2 on the seat cushion body 1, the movable cushion body 3 is connected to the rear portion of the seat cushion body 1 so that To prevent the movable cushion body 3 from moving,
Therefore, as shown in FIG. 2, the locking hook 6 is attached to the rear portion of the bottom frame 5 so as to project slightly rearward from the movable cushion body 3, as shown in FIG. The movable cushion body 3 is fixed to the seat cushion main body 1 so as to obtain a normal seat state by hooking on a wire 7 which is embedded at the front end of the bottom portion separately from the main body bottom frame 4 described above. When the body 3 is moved onto the seat cushion body 1 to be used as an infant seat cushion, the locking hook 6 is provided by utilizing the rising portion of the cushion pan on the rear side of the seat cushion body 1. The movable cushion body 3 is prevented from sliding to the front side by being hooked on the receiving plate 8.

3 to 6 show another embodiment of the present invention, in which the space between the seat cushion body 1 and the movable cushion body 3 is always below the bottom surface of the movable cushion body 3. Although it is placed along the line and is not exposed to the outside,
When the movable cushion body 3 is moved to the rear of the recessed portion 2 on the seat cushion body 1, the cover sheet 1 made of a carpet material or the like covering the exposed front surface 2a of the recessed portion 2
The seat cushion body 1 and the movable cushion body 3 are always connected by the cover sheet 10. The cover sheet 10 has one end attached to the front lower end of the seat cushion body 1 by the wire 1 for hog fastening.
1 and the like, and the other end is attached to the front end of the movable cushion body 3 by bag sewing. A support member 12 formed of a U-shaped wire or the like extends forward from the bottom front end of the seat cushion body 1 so that the front edge is located above the middle portion of the cover sheet 10, as shown in FIG. As described above, when the movable cushion body 3 is moved onto the seat cushion body 1, the cover sheet 10 is bent at an acute angle from the middle portion by the front edge of the support member 12, and the exposed front surface 2 a of the recessed portion 2 is exposed. In addition to being concealed, it can be used as a leg rest of an infant sitting on a movable cushion body 3 which is a seat cushion for an infant.

When used as an ordinary seat, the thus-constructed one has the movable cushion body 3 housed in the recessed portion 2 of the seat cushion body 1 as shown by the solid line in FIG. In this state, the appearance is the same as that of a normal vehicle seat and the seating feeling is the same as that of a standard vehicle seat, and the movable cushion body 3 is the same as the seat cushion body 1. Although it is a separate member, the locking hook 6 is caught on the wire 7 provided at the front end of the main body bottom frame 4 of the seat cushion main body 1, so that it is securely separated from the seat cushion main body 1. The integrated state will be maintained.

When it is desired to switch and use the seat cushion for infants, the engaging hook 6 is disengaged from the front end of the bottom frame 4 of the main body, and the movable cushion as shown by the broken line in FIG. The body 3 is removed from the recessed portion 2 and is moved to the rear position of the recessed portion 2 formed in the center of the front half of the seat cushion body 1, so that the locking hook 6 is located at the rear portion of the seat cushion body 1. If the movable cushion body 3 is connected to the seat cushion body 1 by hooking it on the money receiver 8, the seat surface of the movable cushion body 3 will have a seat surface height suitable for an infant, so that it can be easily switched to the infant seat cushion. Moreover, since the movable cushion body 3 and the seat cushion body 1 are connected by the engagement of the locking hooks 6 and the receiving metal 8, the movable cushion body 3 can move forward. No.

Further, as shown in FIGS. 3 to 6, between the bottom front end of the seat cushion body 1 and the bottom front end of the movable cushion body 3, the movable cushion is always under the bottom surface of the movable cushion body 3, In the case where the cover sheet 10 covering the exposed front surface 2a of the recessed portion 2 is stretched when the body 3 is moved onto the seat cushion body 1, when the seat cushion body 1 is switched to the infant seat cushion.
Since the exposed front surface 2a of the recessed portion 2 is accurately covered by the cover sheet 10, the shoe hits the exposed front surface 2a of the recessed portion 2 and stains the exposed front surface 2a like a conventional vehicle seat of this type. Without cover sheet 1
When 0 is bent at an acute angle from the middle portion by the front edge of the support member 12 to form an inclined support surface from the front end of the bottom of the movable cushion body 3 toward the front edge of the support member 12, the recessed portion 2 Is more accurately concealed and the appearance is significantly improved, and since the inclined support surface of the cover sheet 10 is just put on the feet, the effect of preventing fatigue can be exhibited.

[0012]

As is apparent from the above description, the present invention can secure a comfortable riding comfort during normal use, and can be quickly moved from a normal seat by a simple operation when necessary. It is possible to switch to an infant seat cushion whose surface height is suitable for an infant, and when switching to an infant seat cushion, the seat cushion body does not get dirty with the seated infant's shoes,
Further, it has various advantages such as a simple structure and mass production at low cost. Therefore, the present invention has an extremely great contribution to industrial development as a vehicle seat that eliminates the conventional problems.

[Brief description of drawings]

FIG. 1 is a front view showing a preferred embodiment of the present invention.

FIG. 2 is a perspective view showing a preferred embodiment of the present invention.

FIG. 3 is a front view of another embodiment of the present invention in a normal state.

FIG. 4 is a front view of a seat cushion for a baby according to another embodiment of the present invention.

FIG. 5 is an exploded perspective view showing another embodiment of the present invention.

FIG. 6 is a perspective view showing another embodiment of the present invention in a state of being used as an infant seat cushion.

[Explanation of symbols]

 1 Seat Cushion Main Body 2 Recessed Notch 2a Exposed Front Surface 3 Movable Cushion Body 4 Main Body Bottom Frame 5 Bottom Frame 6 Hook for Locking 10 Cover Seat 12 Supporting Member

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazunori Hashimoto 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Automobile Co., Ltd. (72) Inventor Matsufuji ▲ Yori ▼ Right 6-5 Isogo, Isogo-ku, Yokohama, Kanagawa Prefecture issue

Claims (3)

[Claims] 1. A seat cushion is composed of a cushion main body having a recessed portion for fitting a movable cushion body in a front half portion thereof, and a movable cushion body which can be inserted into and removed from the recessed portion, and is normally recessed. By moving a movable cushion body that is fitted into the seat and forms a normal seat surface to the rear of the recessed portion on the seat cushion body, two-step seat surfaces having different heights can be obtained. In a vehicle seat, an independent bottom frame is embedded in the bottom portion of the movable cushion body, and a movable cushion body that is normally in a recessed portion is provided at the rear end of the bottom frame at the bottom front end of the seat cushion body. It is characterized in that a hook is provided for connecting the movable cushion body to the rear portion of the seat cushion body when the movable cushion body is moved onto the seat cushion body. Vehicle seats. 2. The movable cushion body, which is normally disposed under the bottom surface of the movable cushion body, between the bottom front end of the seat cushion body and the bottom front end of the movable cushion body, but the movable cushion body is moved onto the seat cushion body. The vehicle seat according to claim 1, wherein a cover sheet covering the exposed front surface of the recessed portion is stretched, and the seat cushion main body and the movable cushion body are always connected by the cover sheet. 3. A support member, the front edge of which is located above the middle portion of the cover sheet, is extended to the bottom of the seat cushion body, and the cover sheet supports when the movable cushion body is moved onto the seat cushion body. The vehicle seat according to claim 1, wherein the front edge of the member is bent at an acute angle from the middle portion to form an inclined support surface from the bottom front end of the movable cushion body toward the front edge of the support member.